[inspector] Refactor protocol-test.js

test/inspector/debugger/command-line-api-with-bound-function.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-InspectorTest.log("Check that debug and monitor methods from Command Line API works with bound function.");
+let {session, contextGroup, Protocol} = InspectorTest.start("Check that debug and monitor methods from Command Line API works with bound function.");
 
-InspectorTest.addScript(`
+contextGroup.addScript(`
 function foo() {}
 function boo() {}
 var bar = boo.bind(null);
 
 function testFunction() {
   console.log("> debug foo and bar");
   debug(foo);
   debug(bar);
   console.log("> call foo and bar");
   foo();
@@ skipping 37 matching lines @@
 Protocol.Runtime.enable();
 Protocol.Debugger.enable();
 Protocol.Debugger.onPaused(message => {
   var functionName = message.params.callFrames[0].functionName;
   InspectorTest.log(`paused in ${functionName}`);
   Protocol.Debugger.resume();
 });
 Protocol.Runtime.onConsoleAPICalled(message => InspectorTest.log(message.params.args[0].value));
 Protocol.Runtime.evaluate({ expression: "testFunction()", includeCommandLineAPI: true })
   .then(InspectorTest.completeTest);